<template>
  <div>
      <!-- 面包屑导航区域 -->
      <el-breadcrumb separator-class="el-icon-arrow-right">
          <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
          <el-breadcrumb-item>用户管理</el-breadcrumb-item>
          <el-breadcrumb-item>用户列表</el-breadcrumb-item>
      </el-breadcrumb>

      <!-- 卡片视图区域 -->
      <el-card class="box-card">
        <!-- 搜索与添加区 -->
        
          <el-row :gutter="20">
            <el-col :span="7">
              <el-input clearable placeholder="请输入内容" v-model="queryIfo.query" class="input-with-select" @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList()"></el-button>
              </el-input>
            </el-col>
            <el-col :span="4">
              <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
          </el-row>

          <!-- 用户列表区 -->
          <el-table :data="userlist" border stripe>
            <el-table-column type="index"></el-table-column>
            <el-table-column label="姓名" prop="username"></el-table-column>
            <el-table-column label="邮箱" prop="email"></el-table-column>
            <el-table-column label="电话" prop="mobile"></el-table-column>
            <el-table-column label="角色" prop="role_name"></el-table-column>
            <el-table-column label="状态" >
              <template slot-scope="scope">
                  <el-switch
                  @change="userstatechange(scope.row)"
                    v-model="scope.row.mg_state"
                    >
                  </el-switch>
                
              </template>
            </el-table-column>
            <el-table-column label="操作" width="190px">
              <template slot-scope="scope">
                  <el-button size="mini" type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)"></el-button>
                  <el-button size="mini" type="danger" icon="el-icon-delete" @click="removeUserById(scope.row.id)"></el-button>
                  <el-tooltip :enterable="false" class="item" effect="dark" content="分配角色" placement="top" @click="setRole(scope.row)">
                    <el-button size="mini" type="warning" icon="el-icon-setting"></el-button>
                  </el-tooltip>
              </template>
            </el-table-column>
          </el-table>
          <!-- 分页区域 -->
           <el-pagination
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
              :current-page="queryIfo.pagenum"
              :page-sizes="[1, 2, 5, 10]"
              :page-size="queryIfo.pagesize"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total">
            </el-pagination>

        
      </el-card>
  <!-- 添加用户的对话框 -->
      <el-dialog
        title="添加用户"
        :visible.sync="addDialogVisible"
        @close="addDialogClosed"
        width="50%"
        >
        <!-- 内容主体区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 修改用户的对话框 -->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        width="50%" @close="editDialogClosed"
        >
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px" class="demo-ruleForm">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
      </el-dialog>
      <!-- 分配角色的对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%"
        @close="setRoleDialogClosed"
        >
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>分配新角色：
             <el-select v-model="selectedRoleId" placeholder="请选择">
                <el-option
                  v-for="item in rolesList"
                  :key="item.id"
                  :label="item.roleName"
                  :value="item.id">
                </el-option>
              </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
        </span>
      </el-dialog>
  </div>
</template>

<script>
export default {
  data(){
    var checkMobile = (rule,value,cb)=>{
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]14[57])[0-9]{8}$/
      if(regMobile.test(value)){
        // 合法的
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
    // 验证邮箱的规则
    var checkEmail = (rule,value,cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if(regEmail.test(value)){
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号的正则表达式

    return{
      // 获取用户列表的参数对象
      queryIfo:{
        query:'',
        // 当前页数
        pagenum:1,
        // 当前每页显示多少条数据
        pagesize:2

      },
      userlist:[],
      total:0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible:false,
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:''
      },
      // 添加表单验证的规则对象
      addFormRules:{
        username:[
          {required:true,$message:'请输入用户名',trigger:'blur'},
          {min:3,max:10,message:'用户名的长度在3到10个字符之间',trigger:'blur'}
        ],
        password:[
          {required:true,$message:'请输入密码',trigger:'blur'},
          {min:6,max:15,message:'密码的长度在6到15个字符之间',trigger:'blur'}
        ],
        email:[
          {required:true,$message:'请输入邮箱',trigger:'blur'},
          {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          {required:true,$message:'请输入手机',trigger:'blur'},
          {validator:checkMobile,trigger:'blur'}

        ]
      },
      editDialogVisible:false,
      // 查询到的用户信息对象
      editForm:{},
      // 修改表单的验证对象
      editFormRules:{
        email:[
          {required:true,$message:'请输入邮箱',trigger:'blur'},
          {validator:checkEmail,trigger:'blur'}
        ],
        mobile:[
          {required:true,$message:'请输入手机',trigger:'blur'},
          {validator:checkMobile,trigger:'blur'}
        ]

      },
      // 控制分配角色对话框的显示与隐藏
      setRoleDialogVisible:false,
      // 需要被分配角色的用户信息
      userInfo:{},
      // 所有角色的数据列表
      rolesList:[],
      // 已选中的角色ID值
      selectedRoleId:''
    }
  },
  created(){
    this.getUserList()

  },
  methods:{
    async getUserList(){
    const {data:res} = await this.$http.get('users',{params:this.queryIfo})
    if(res.meta.status != 200) return this.$message.console.error("获取数据失败")
    this.userlist = res.data.users 
    this.total = res.data.total
    
    },
    handleSizeChange(newSize){
        this.queryIfo.pagesize = newSize
        this.getUserList()

    },
    handleCurrentChange(newPage){
      this.queryIfo.pagenum = newPage
      this.getUserList()

    },
    // 监听switch开关状态的改变
    async userstatechange(userInfo){
      const {data:res} = await this.$http.put(`user/${userInfo.id}/state/${userInfo.mg_state}`)
      if(res.meta.status != 200){
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('更新用户状态成功!')
    },
    // 监听对话框关闭事件
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()

    },
    addUser(){
      this.$refs.addFormRef.validate(async valid => {
        if(!valid) return
        // 可以发起真正的添加用户的网络请求
       const {data:ref} = await this.$http.post('users',this.addForm)
       if(ref.meta.status != 201){
         return this.$message.error('添加用户失败')
       }
       this.$message.success('添加用户成功')
      //  隐藏添加用户的对话框
       this.addDialogVisible = false
      //  重新获取用户列表数据
       this.getUserList()
      })
    },
    // 展示用户编辑的对话框
    async showEditDialog(id){
      this.editDialogVisible = true
      const {data:ref} = await this.$http.get('users/'+id)
      if(ref.meta.status != 200){
        return this.$message.error('查询数据失败')
      }
      this.editForm = ref.data

    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()

    },
    // 修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid => {
        if(!valid) return
        // 发起修改用户信息的数据请求
        const {data:res} = await this.$http.put('users/'+this.editForm.id,{email:this.editForm.email,mobile:this.editForm.mobile})
        if(res.meta.status != 200){
          return this.$message.error('信息修改失败')
        }
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })

    },
    // 根据id删除对应的用户信息
    async removeUserById(id){
      // 弹框询问用户是否删除数据
     const confirmResult = await this.$confirm('此操作将永久删除该用户，是否继续？','提示',{
        confirmButtonText:'确定',
        canceButtonText:'取消',
        type:'warning'
      }).catch(err => err)
      if(confirmResult !== 'confirm'){
        return this.$message.info('已取消删除')
      }
      const {data:res} = await this.$http.delete('users/'+id)
      if(res.meta.status != 200){
        return this.$message.error('删除用户数失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()

    },
    // 展示分配角色的对话框
    async setRole(userInfo){
      this.userInfo = userInfo
      // 在展示对话框之前获取所有角色列表
     const {data:res} = await this.$http.get('roles')
    if(res.meta.status != 200){
      return this.$message.error('获取角色列表失败')
    }
    this.rolesList = res.data
      this.setRoleDialogVisible = true

    },
    // 点击按钮分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('请选择要分配的角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
      if(res.meta.status != 200){
        return this.$message.error('更新角色失败')
      }
      this.$message.success('更新角色成功成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框的关闭事件
    setRoleDialogClosed(){
      this.userInfo={},
      this.selectedRoleId = ''

  }

}
}
</script>

<style lang="less" scoped>
 .text {
    font-size: 14px;
  }

  // .item {
  //   padding: 18px 0;
  // }

  // .box-card {
  //   width: 480px;
  // }
  .el-pagination{
    margin-top: 15px;
  }
 
</style>